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/*
Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2013 Company 100, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef CoordinatedLayerTreeHost_h
#define CoordinatedLayerTreeHost_h
#if USE(COORDINATED_GRAPHICS)
#include "LayerTreeContext.h"
#include "LayerTreeHost.h"
#include <WebCore/CompositingCoordinator.h>
#include <WebCore/GraphicsLayerFactory.h>
#include <wtf/OwnPtr.h>
#if ENABLE(CSS_SHADERS)
#include "WebCustomFilterProgramProxy.h"
#endif
namespace WebCore {
class CoordinatedSurface;
}
namespace WebKit {
class WebPage;
class CoordinatedLayerTreeHost : public LayerTreeHost, public WebCore::CompositingCoordinator::Client
#if ENABLE(CSS_SHADERS)
, WebCustomFilterProgramProxyClient
#endif
{
public:
static PassRefPtr<CoordinatedLayerTreeHost> create(WebPage*);
virtual ~CoordinatedLayerTreeHost();
virtual const LayerTreeContext& layerTreeContext() { return m_layerTreeContext; }
virtual void setLayerFlushSchedulingEnabled(bool);
virtual void scheduleLayerFlush();
virtual void setShouldNotifyAfterNextScheduledLayerFlush(bool);
virtual void setRootCompositingLayer(WebCore::GraphicsLayer*);
virtual void invalidate();
virtual void setNonCompositedContentsNeedDisplay() OVERRIDE { }
virtual void setNonCompositedContentsNeedDisplayInRect(const WebCore::IntRect&) OVERRIDE { }
virtual void scrollNonCompositedContents(const WebCore::IntRect&) OVERRIDE { }
virtual void forceRepaint();
virtual bool forceRepaintAsync(uint64_t callbackID);
virtual void sizeDidChange(const WebCore::IntSize& newSize);
virtual void didInstallPageOverlay(PageOverlay*);
virtual void didUninstallPageOverlay(PageOverlay*);
virtual void setPageOverlayNeedsDisplay(PageOverlay*, const WebCore::IntRect&);
virtual void setPageOverlayOpacity(PageOverlay*, float);
virtual bool pageOverlayShouldApplyFadeWhenPainting() const { return false; }
virtual void pauseRendering() { m_isSuspended = true; }
virtual void resumeRendering() { m_isSuspended = false; scheduleLayerFlush(); }
virtual void deviceOrPageScaleFactorChanged() OVERRIDE;
virtual void pageBackgroundTransparencyChanged() OVERRIDE;
virtual void didReceiveCoordinatedLayerTreeHostMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&);
virtual WebCore::GraphicsLayerFactory* graphicsLayerFactory() OVERRIDE;
WebCore::CoordinatedGraphicsLayer* mainContentsLayer();
#if ENABLE(REQUEST_ANIMATION_FRAME)
virtual void scheduleAnimation() OVERRIDE;
#endif
virtual void setBackgroundColor(const WebCore::Color&) OVERRIDE;
static PassRefPtr<WebCore::CoordinatedSurface> createCoordinatedSurface(const WebCore::IntSize&, WebCore::CoordinatedSurface::Flags);
protected:
explicit CoordinatedLayerTreeHost(WebPage*);
private:
// CoordinatedLayerTreeHost
void createPageOverlayLayer();
void destroyPageOverlayLayer();
void cancelPendingLayerFlush();
void performScheduledLayerFlush();
void setVisibleContentsRect(const WebCore::FloatRect&, const WebCore::FloatPoint&);
void renderNextFrame();
void purgeBackingStores();
void commitScrollOffset(uint32_t layerID, const WebCore::IntSize& offset);
void layerFlushTimerFired(WebCore::Timer<CoordinatedLayerTreeHost>*);
// CompositingCoordinator::Client
virtual void didFlushRootLayer() OVERRIDE;
virtual void willSyncLayerState(WebCore::CoordinatedGraphicsLayerState&) OVERRIDE;
virtual void notifyFlushRequired() OVERRIDE { scheduleLayerFlush(); };
virtual void commitSceneState(const WebCore::CoordinatedGraphicsState&) OVERRIDE;
virtual void paintLayerContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, const WebCore::IntRect& clipRect) OVERRIDE;
#if ENABLE(CSS_SHADERS)
void prepareCustomFilterProxiesForAnimations(WebCore::GraphicsLayerAnimations&);
// WebCustomFilterProgramProxyClient
void removeCustomFilterProgramProxy(WebCustomFilterProgramProxy*);
void checkCustomFilterProgramProxies(const WebCore::FilterOperations&);
void disconnectCustomFilterPrograms();
#endif
OwnPtr<WebCore::CompositingCoordinator> m_coordinator;
// The page overlay layer. Will be null if there's no page overlay.
OwnPtr<WebCore::GraphicsLayer> m_pageOverlayLayer;
RefPtr<PageOverlay> m_pageOverlay;
#if ENABLE(CSS_SHADERS)
HashSet<WebCustomFilterProgramProxy*> m_customFilterPrograms;
#endif
bool m_notifyAfterScheduledLayerFlush;
bool m_isValid;
bool m_isSuspended;
bool m_isWaitingForRenderer;
LayerTreeContext m_layerTreeContext;
WebCore::Timer<CoordinatedLayerTreeHost> m_layerFlushTimer;
bool m_layerFlushSchedulingEnabled;
uint64_t m_forceRepaintAsyncCallbackID;
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
#endif // CoordinatedLayerTreeHost_h
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